<template>
    <div>
        <button @click="isShow = !isShow">显示/隐藏</button>
        <transition-group
        appear
        name="animate__animated animate__bounce"
        enter-active-class="animate__swing"
        leave-active-class="animate__backOutUp"
        >
            <h1 v-show="!isShow" key="1">你好</h1>
            <h1 v-show="isShow" key="2">再见</h1>
        </transition-group>
    </div>
</template>

<script>
import 'animate.css'
export default {
    name:'Test3',
    data(){
        return{
            isShow:true
        }
    }
}
</script>

<style scoped>
    h1{
        background-color: green;
    }

</style>